54 



4 Momordica, Linn. 



balsamina, L. 

 charantia, Linn. 

 foetida, Schum. 

 iiivohicrata, EM. 

 sp. {Wood 5418). 



5 Oucumis, Linn. 



africanus, Linn. 

 dissectifolius, Nau^. 

 Figarei, Bel. var. 

 liirsiitus, Sond. 

 metuliferus, lE.M. 



6 Oitrallus, Schrad. 

 vulgaris, Schrad. 



7 Ooccinea, W & A 



hirtella, Gog7i, 

 n. sp. {Wood 4105). 

 McKenii, Gogn. 

 palmata, Gogn. 



A. 

 B 



A. 

 C-D 



9 

 V 



B. 

 B. 



? 



9 



C-D. 

 A-B. 



8 Mukia, Am. 

 scabrella, W. & A. 



9 Zehneria, Endl 

 obtusiloba, Sond. 

 scabra, Sond 



10 Kedrostis, Medic. 

 foetidissima, Gogn. 

 longipedunculata, Gogn. 



11 Melothria, Linn. 

 membranifolia, Gogn. 

 parviflora, Gogn. 



12 Toianthera, Hk. f. 

 natalensis, Hk. f. 



13 Gerrardanthus, Earv. 

 macrorhiza, Harv. 

 tomentosa, Hook. 



14 Lagenaria, Seringe. 

 vulgaris, Ser. 



A-C. 



? 

 A-B. 



A-B. 

 A-B. 



A. 

 B. 



B. 



A-B. 

 B. 



ORDER LXXVI. BEGONIACEiE. 



A tropical and subtropical Order, memljers of which are found in 

 most tropical countries, except Australia, from which contijieut they 

 are totally al-sent. Most of the species contain Oxalic acid, and some 

 are used medicinally in the countries of which they are natives. Many 

 species of Begonia and a large number of varieties are in cultivation. 



Number of species about 350. 



Succulent herbs with tuberous roots and monoecious flowers. Begonia. 



ORDER LXXVIII. CACTE^. 



An order almost confined to tropical America, the only genus 

 found in any other country being Rhipsalis, one or more species of 

 which are found in South Africa, Madagascar, and India. Some, how- 

 ever, of the species of Opuntia have become naturalised in South 



